:root {
            --bg-deep: #060b14;
            --bg-surface: #0c1424;
            --bg-card: #0f1a2e;
            --bg-card-hover: #13213a;
            --text-primary: #f0f6ff;
            --text-secondary: #9db0c8;
            --text-muted: #61758f;
            --accent-cyan: #00e5c7;
            --accent-blue: #3d8bff;
            --accent-violet: #8b5cf6;
            --accent-glow: rgba(0, 229, 199, 0.25);
            --accent-glow-blue: rgba(61, 139, 255, 0.22);
            --accent-glow-violet: rgba(139, 92, 246, 0.2);
            --border-subtle: rgba(61, 139, 255, 0.15);
            --border-strong: rgba(0, 229, 199, 0.3);
            --gradient-hero: linear-gradient(135deg, #00e5c7 0%, #3d8bff 45%, #8b5cf6 100%);
            --gradient-btn: linear-gradient(135deg, #00e5c7, #3d8bff);
            --gradient-btn-hover: linear-gradient(135deg, #0affdd, #5a9fff);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-glow: 0 0 40px rgba(0, 229, 199, 0.12), 0 0 80px rgba(61, 139, 255, 0.08);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #0affdd;
        }

        .wrap {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ============ HEADER ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 11, 20, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.28rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo img {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            transition: transform var(--transition);
        }
        .logo:hover img {
            transform: rotate(-6deg) scale(1.05);
        }
        .logo span {
            background: var(--gradient-hero);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-link {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(61, 139, 255, 0.08);
        }
        .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0, 229, 199, 0.08);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .lang-switch {
            font-size: 0.82rem;
            padding: 6px 12px;
            border-radius: 16px;
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .lang-switch:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--gradient-btn);
            color: #fff;
            box-shadow: 0 4px 20px rgba(0, 229, 199, 0.25);
        }
        .btn-primary:hover {
            background: var(--gradient-btn-hover);
            box-shadow: 0 6px 32px rgba(0, 229, 199, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-ghost {
            background: transparent;
            border-color: var(--border-strong);
            color: var(--accent-cyan);
        }
        .btn-ghost:hover {
            background: rgba(0, 229, 199, 0.08);
            border-color: var(--accent-cyan);
            color: #0affdd;
        }
        .btn-light {
            background: #fff;
            color: var(--bg-deep);
            font-weight: 700;
        }
        .btn-light:hover {
            background: #e0f7ff;
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(255, 255, 255, 0.2);
        }
        .btn-lg {
            padding: 14px 30px;
            font-size: 1rem;
            border-radius: 28px;
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            padding: 80px 0 70px;
            overflow: hidden;
            background:
                radial-gradient(ellipse at 15% 20%, rgba(0, 229, 199, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 70%, rgba(139, 92, 246, 0.09) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 50%, rgba(61, 139, 255, 0.04) 0%, transparent 60%),
                var(--bg-deep);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 900px;
            height: 900px;
            background: radial-gradient(circle, rgba(0, 229, 199, 0.06) 0%, transparent 65%);
            pointer-events: none;
            animation: heroPulse 8s ease-in-out infinite alternate;
        }
        @keyframes heroPulse {
            0% {
                opacity: 0.5;
                transform: translateX(-50%) scale(1);
            }
            100% {
                opacity: 1;
                transform: translateX(-50%) scale(1.15);
            }
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-copy .eyebrow {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(0, 229, 199, 0.1);
            border: 1px solid rgba(0, 229, 199, 0.2);
            color: var(--accent-cyan);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 18px;
        }
        .hero-copy h1 {
            font-size: clamp(2.4rem, 5vw, 3.6rem);
            font-weight: 800;
            letter-spacing: -0.04em;
            line-height: 1.15;
            margin-bottom: 20px;
        }
        .hero-copy h1 .gradient-text {
            background: var(--gradient-hero);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-copy .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .btn-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
        }
        .stats li {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .stats strong {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: -0.02em;
        }
        .stats span {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        .hero-art {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-art img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-glow), 0 24px 60px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-subtle);
            position: relative;
            z-index: 1;
        }
        .hero-art::after {
            content: '';
            position: absolute;
            inset: -4%;
            background: var(--gradient-hero);
            border-radius: var(--radius-xl);
            opacity: 0.12;
            filter: blur(50px);
            z-index: 0;
            pointer-events: none;
        }

        /* ============ SECTIONS ============ */
        .sec {
            padding: 72px 0;
            position: relative;
        }
        .sec-alt {
            background: var(--bg-surface);
        }

        .sec-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .sec-head .eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }
        .sec-head h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .sec-head .lead {
            color: var(--text-secondary);
            font-size: 1.05rem;
        }

        /* Split sections */
        .split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 52px;
            align-items: center;
        }
        .split.reverse {
            direction: rtl;
        }
        .split.reverse>* {
            direction: ltr;
        }
        .split-media img {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }
        .split-copy h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .split-copy p {
            color: var(--text-secondary);
            margin-bottom: 18px;
            font-size: 1rem;
        }
        .ticks {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .ticks li {
            padding: 6px 0 6px 28px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .ticks li::before {
            content: '✦';
            position: absolute;
            left: 0;
            top: 6px;
            color: var(--accent-cyan);
            font-size: 0.9rem;
            text-shadow: 0 0 8px var(--accent-glow);
        }

        /* Cards */
        .cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gradient-hero);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-strong);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card), 0 0 30px rgba(0, 229, 199, 0.08);
        }
        .card:hover::before {
            opacity: 1;
        }
        .card h3 {
            font-size: 1.08rem;
            font-weight: 650;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .card .card-icon {
            font-size: 1.6rem;
            margin-bottom: 12px;
            display: block;
        }

        /* AI Decision Engine (creative block) */
        .ai-engine {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .ai-engine::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(0, 229, 199, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 60%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }
        .ai-engine-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 32px;
            position: relative;
            z-index: 1;
        }
        .ai-step {
            text-align: center;
            padding: 24px 18px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition);
        }
        .ai-step:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 229, 199, 0.04);
            transform: translateY(-2px);
        }
        .ai-step .step-num {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            color: var(--accent-cyan);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .ai-step .step-icon {
            font-size: 2rem;
            margin-bottom: 10px;
        }
        .ai-step h4 {
            font-size: 1rem;
            font-weight: 650;
            margin-bottom: 6px;
        }
        .ai-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Speed dashboard */
        .speed-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 36px;
        }
        .speed-metric {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition);
        }
        .speed-metric:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
        }
        .speed-metric .value {
            font-size: 2rem;
            font-weight: 800;
            background: var(--gradient-hero);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.03em;
        }
        .speed-metric .label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Promo / CTA */
        .promo {
            background: var(--gradient-hero);
            border-radius: var(--radius-lg);
            padding: 48px 42px;
            margin-top: 10px;
        }
        .promo-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .promo h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }
        .promo .lead {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            max-width: 480px;
        }

        /* FAQ */
        .faq {
            max-width: 720px;
            margin: 0 auto;
        }
        .faq details {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq details[open] {
            border-color: var(--border-strong);
            background: var(--bg-card-hover);
        }
        .faq summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: color var(--transition);
            user-select: none;
        }
        .faq summary::-webkit-details-marker {
            display: none;
        }
        .faq summary::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--accent-cyan);
            transition: transform var(--transition);
        }
        .faq details[open] summary::after {
            transform: rotate(45deg);
        }
        .faq summary:hover {
            color: var(--accent-cyan);
        }
        .faq details p {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .more {
            text-align: center;
            margin-top: 24px;
        }
        .more a {
            font-weight: 600;
            font-size: 0.95rem;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            padding: 52px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-logo img {
            width: 30px;
            height: 30px;
            border-radius: 6px;
        }
        .footer-about {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 280px;
        }
        .foot-h {
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .site-footer ul a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 968px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-copy .lead {
                margin-left: auto;
                margin-right: auto;
            }
            .btn-row {
                justify-content: center;
            }
            .stats {
                justify-content: center;
            }
            .hero-art {
                order: -1;
                max-width: 480px;
                margin: 0 auto;
            }
            .split {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .split.reverse {
                direction: ltr;
            }
            .split-copy .btn {
                margin: 0 auto;
            }
            .ticks li {
                text-align: left;
            }
            .cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .ai-engine-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .speed-dashboard {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .main-nav {
                display: none;
            }
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 0;
                gap: 8px;
            }
            .header-actions {
                margin-left: auto;
            }
        }

        @media (max-width: 560px) {
            .wrap {
                padding: 0 16px;
            }
            .cards {
                grid-template-columns: 1fr;
            }
            .speed-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .promo {
                padding: 28px 20px;
            }
            .promo-inner {
                flex-direction: column;
                text-align: center;
            }
            .hero {
                padding: 48px 0 40px;
            }
            .stats {
                gap: 20px;
            }
            .stats strong {
                font-size: 1.3rem;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        /* Mobile nav fallback */
        @media (max-width: 968px) {
            .mobile-nav-hint {
                display: block;
                font-size: 0.78rem;
                color: var(--text-muted);
                text-align: center;
                padding: 6px 0;
                border-top: 1px solid var(--border-subtle);
            }
        }
        @media (min-width: 969px) {
            .mobile-nav-hint {
                display: none;
            }
        }

        /* Decorative divider */
        .divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
            margin: 0 auto;
            max-width: 700px;
        }

        /* AI highlight badge */
        .ai-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 16px;
            background: rgba(0, 229, 199, 0.08);
            border: 1px solid rgba(0, 229, 199, 0.18);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        /* Glow dot */
        .glow-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan), 0 0 24px var(--accent-cyan);
            animation: glowPulse 2s ease-in-out infinite;
            margin-right: 4px;
        }
        @keyframes glowPulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 10px var(--accent-cyan), 0 0 24px var(--accent-cyan);
            }
            50% {
                opacity: 0.6;
                box-shadow: 0 0 6px var(--accent-cyan), 0 0 16px var(--accent-cyan);
            }
        }